Relief shown by contours and spot heights.Covers parts of San Juan County, Utah, and Dolores, Montezuma, and San Miguel counties, Colorado."Contour interval 250 feet.""Reconnaissance map."Shows highways, counties, townships, sections, railroads, mountains, bodies of water (streams, rivers, reservoirs, lakes, marshes), and cities.On verso: "The topographic maps of the United States" from the Director, United States Geological Survey, Washington, D.C., January, 1913, and table of standard symbols.